<!--
 * @Description: file content
-->
<template>
  <div>
    <div style="border: 1px solid #ccc">
      <Toolbar
        style="border-bottom: 1px solid #ccc"
        :editor="editorRef"
        :defaultConfig="toolbarConfig"
        mode="default"
      />
      <Editor
        style="height: 500px; overflow-y: hidden"
        :defaultConfig="editorConfig"
        mode="default"
        @onCreated="handleCreated"
        @onChange="handleChange"
        v-model="valueHtml"
      />
    </div>
  </div>
</template>

<script setup>
import '@wangeditor/editor/dist/css/style.css'; // 引入 css
import { Editor, Toolbar } from '@wangeditor/editor-for-vue';
import { onBeforeUnmount, ref, shallowRef, defineProps, watch } from 'vue';

const props = defineProps({
  contentHtml: String
});
// 编辑器实例，必须用 shallowRef
const editorRef = shallowRef();
const emit = defineEmits(['change']);
// 内容 HTML
const valueHtml = ref('');
const toolbarConfig = {};
const editorConfig = { placeholder: '请输入内容...' };

// 组件销毁时，也及时销毁编辑器
onBeforeUnmount(() => {
  const editor = editorRef.value;
  if (editor === null || editor === undefined) return;
  editor.destroy();
});

const handleCreated = (editor) => {
  editorRef.value = editor; // 记录 editor 实例，重要！
};
const handleChange = (editor) => {
  emit('change', editor);
};
watch(
  () => props.contentHtml,
  (newValue) => {
    if (newValue) {
      valueHtml.value = props.contentHtml;
    }
  }
);
</script>

<style lang="scss" scoped></style>
